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raze/source/duke3d/src/winbits.cpp
hendricks266 d4ee6d00c8 Route inclusion of all Windows headers through a new header, windows_inc.h.
This allows us to make certain guarantees about limits on the extent of namespace pollution these headers introduce.

git-svn-id: https://svn.eduke32.com/eduke32@6065 1a8010ca-5511-0410-912e-c29ae57300e0
2017-02-19 22:15:44 +00:00

140 lines
3.9 KiB
C++

//-------------------------------------------------------------------------
/*
Copyright (C) 2010 EDuke32 developers and contributors
This file is part of EDuke32.
EDuke32 is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License version 2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
//-------------------------------------------------------------------------
#ifdef _WIN32
#include "compat.h"
#define NEED_SHELLAPI_H
#define NEED_WINSOCK2_H
#define NEED_WS2TCPIP_H
#include "windows_inc.h"
#include "renderlayer.h"
int32_t G_GetVersionFromWebsite(char *buffer)
{
int32_t wsainitialized = 0;
int32_t bytes_sent, i=0, j=0;
struct sockaddr_in dest_addr;
struct hostent *h;
char const *host = "www.eduke32.com";
char const *req = "GET http://www.eduke32.com/VERSION HTTP/1.0\r\n\r\n\r\n";
char *tok;
char tempbuf[2048],otherbuf[16],ver[16];
SOCKET mysock;
#ifdef _WIN32
if (wsainitialized == 0)
{
WSADATA ws;
if (WSAStartup(0x101,&ws) == SOCKET_ERROR)
{
// initprintf("update: Winsock error in G_GetVersionFromWebsite() (%d)\n",errno);
return 0;
}
wsainitialized = 1;
}
#endif
if ((h=gethostbyname(host)) == NULL)
{
// initprintf("update: gethostbyname() error in G_GetVersionFromWebsite() (%d)\n",h_errno);
return 0;
}
dest_addr.sin_addr.s_addr = ((struct in_addr *)(h->h_addr))->s_addr;
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(80);
memset(&(dest_addr.sin_zero), '\0', 8);
mysock = socket(PF_INET, SOCK_STREAM, 0);
if (mysock == INVALID_SOCKET)
{
// initprintf("update: socket() error in G_GetVersionFromWebsite() (%d)\n",errno);
return 0;
}
initprintf("Connecting to http://%s\n",host);
if (connect(mysock, (struct sockaddr *)&dest_addr, sizeof(struct sockaddr)) == SOCKET_ERROR)
{
// initprintf("update: connect() error in G_GetVersionFromWebsite() (%d)\n",errno);
return 0;
}
bytes_sent = send(mysock, req, strlen(req), 0);
if (bytes_sent == SOCKET_ERROR)
{
// initprintf("update: send() error in G_GetVersionFromWebsite() (%d)\n",errno);
return 0;
}
// initprintf("sent %d bytes\n",bytes_sent);
i = recv(mysock, (char *)&tempbuf, sizeof(tempbuf), 0);
if (i < 0)
{
// initprintf("update: recv() returned %d\n", i);
return 0;
}
closesocket(mysock);
Bmemcpy(&otherbuf,&tempbuf,sizeof(otherbuf));
strtok(otherbuf," ");
tok = strtok(NULL," ");
if (tok == NULL)
{
// initprintf("update: strtok() produced no token\n");
return 0;
}
if (Batol(tok) == 200)
{
for (i=0; (unsigned)i<strlen(tempbuf); i++) // HACK: all of this needs to die a fiery death; we just skip to the content
{
// instead of actually parsing any of the http headers
if (i > 4)
if (tempbuf[i-1] == '\n' && tempbuf[i-2] == '\r' && tempbuf[i-3] == '\n' && tempbuf[i-4] == '\r')
{
while (j < 9)
{
ver[j] = tempbuf[i];
i++, j++;
}
ver[j] = '\0';
break;
}
}
if (j)
{
strcpy(buffer,ver);
return 1;
}
}
return 0;
}
#endif